Manage channels, conversations, users and team collaboration within Slack. Send messages, monitor activity and automate communication workflows across workspaces.
Visual Studio Code runs MCP servers for Copilot Chat in agent mode, so the model can use external tools while it works on your code.
This guide connects Slack to VS Code through MewCP, so VS Code can use Slack's 19 tools, like health_check, send_message and read_messages, without your Slack credentials ever reaching the app.
Slack signs in through managed OAuth. MewCP stores the token encrypted, refreshes it before it expires and injects it only at call time. Your agent never holds it, so it can never leak it.
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Other clients
Slack works the same way in every client below. Pick yours for its own guide.
Free to start.
Scope access to the exact Slack tools and accounts you allow, work and personal side by side. Anything outside that scope is refused at call time, even when the model asks for it.
Each call is logged: what ran, on which account, and whether it worked. Failures come back structured, so the agent knows whether to retry instead of guessing.
Every app sits behind one secure MCP URL, and there is no server for you to deploy or keep running. Add an integration in the dashboard and it is live on the next call, with no config to change and no new credentials to wire up. Tools load only when a task needs them, so your agent stays fast and focused however many apps you connect.
A browser window opens the first time the client connects. Sign in and approve access. No API key needed.
Start a new chat and ask: "List the tools you can use from MewCP." You should see your connected apps.
Check server readiness and basic connectivity.
Post a message to a Slack channel or direct message with text and optional blocks.
Get message history from a channel with optional filtering.
Edit an existing message.
Delete a message.
Full-text search across workspace messages.
Post a reply in a message thread.
Browse channels in the workspace. Maps to conversations.list API.
Create a new channel.
Archive or unarchive a channel.
Get metadata for a channel.
Invite users to a channel.
Search files across workspace.
List all channels with metadata.
Search for a user by name, email, or ID.
Extract thread metadata.
Get workspace roster.
Get workspace metadata.
Get user presence status.
